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Jascha Beste

Jascha Beste

Creator
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Software engineer (TimescaleDB) posting about AI coding agents, enforceable/testable architecture (e.g., ArchUnit), and quality‑driven engineering practices.

Claude's Planning Mode Slows Tiny CSS Tweaks
Social•Apr 4, 2026

Claude's Planning Mode Slows Tiny CSS Tweaks

Claude seems to take forever planning today. 15 minutes+ and then its like: I need to set height:500px (which wasn't even correct it needed max height). I should probably not have used plan mode for that but usually it was smart enough to realize it was a tiny change?

By Jascha Beste
Model Degrades Early Despite Low Token Usage
Social•Apr 3, 2026

Model Degrades Early Despite Low Token Usage

I still never hit the Max subscription token limit. Do people just never /clear their sessions and always operate at 1million input tokens? I barely ever go beyond 30% context window and the model is already dumb by then

By Jascha Beste
Structured AI Prompts Avoid Missing Details Despite Seeming Trivial
Social•Mar 30, 2026

Structured AI Prompts Avoid Missing Details Despite Seeming Trivial

Forcing Claude to be structured about it's process and it's like: "THIS IS SO TRIVIAL THOUGH". Truly how I would react, but truth is it would miss stuff otherwise.

By Jascha Beste
Own the Whole Feature; AI Speeds Cross‑skill Mastery
Social•Mar 29, 2026

Own the Whole Feature; AI Speeds Cross‑skill Mastery

The highest-performing engineers I know never say "that's not my job." They ship the feature. Design it. Test it. Deploy it. Tech spent years splitting one feature across 6 people. AI is collapsing that back down and the people who embrace it...

By Jascha Beste
Speed without Direction Makes LLMs Useless
Social•Mar 22, 2026

Speed without Direction Makes LLMs Useless

Velocity is a vector of speed and direction. If you use LLMs only to improve speed without carefully aligning the direction you'll end up building something useless.

By Jascha Beste
Rusty Robot Coding Vibe
Social•Mar 10, 2026

Rusty Robot Coding Vibe

I love that clanker for LLMs and coding agents is catching on. I always imagine some old rusty robot hacking away on one of those beige gray keyboards in the darkness now.

By Jascha Beste
Timescale Beats Clickhouse‑Postgres Combo for Simplicity
Social•Feb 26, 2026

Timescale Beats Clickhouse‑Postgres Combo for Simplicity

Clickhouse is trying to push postgres + clickhouse as the ultimate analytics DB stack. But tbh adding an eventually consistent database to your stack that you needed to sync too is anything but trivial. Love the product but I'd just use...

By Jascha Beste
Automate PR Demo Deployments to Save Development Time
Social•Feb 23, 2026

Automate PR Demo Deployments to Save Development Time

Thinking about setting up automatic demo deployments for PRs on my side project Kviklet. I do review all code that Claude Code produces and also click through the main flows manually locally. But it's always a fetch branch, restart stuff, potentially...

By Jascha Beste
LLM Coding Tools Evolve Rapidly, Future Still Uncertain
Social•Feb 23, 2026

LLM Coding Tools Evolve Rapidly, Future Still Uncertain

In 2023 I mostly used Copilot and ChatGPT to code In 2024 Sonnet 3.5 came out and became my daily driver. I tried a few things like Windsurf and Cursor but nothing had as big of an impact as the model...

By Jascha Beste
Use ArchUnit to Enforce Architecture for AI Agents
Social•Feb 15, 2026

Use ArchUnit to Enforce Architecture for AI Agents

Interesting additional thought about this: I use archunit https://www.archunit.org/ to force Claude to follow some patterns (never access the DB from the service layer for example, never return database package entities from the controller). I wonder if we should have more...

By Jascha Beste